coal seam उदाहरण वाक्य

उदाहरण वाक्य

1. Sudong is the site of a major coal seam first discovered in 1918.
2. Stratigraphically this was the lowest coal seams ever worked in the Sheffield area.
3. Modern strip mining exposes smoldering coal seams to the air, revitalizing the flames.
4. Adits, shafts and coal seams from that period mark the landscape.
5. This faulting provided a pathway for meteoric water to enter the coal seams.
6. Coal balls may be found in coal seams across North America and Eurasia.
7. This is a mix of mudstone, siltstone, sandstone and coal seams.
8. Pockets of explosive gas can be trapped under the earth near coal seams.
9. Several coal seams are located in the Birch Island Run watershed.
10. In 1862 coal seams were discovered near Raniganj and Asansol.